/* Starliner.net - Main Stylesheet */

/* Design System Variables */
:root {
  /* Colors */
  --color-space-navy: #020817;
  --color-near-black: #0a0a0a;
  --color-text-primary: #E2E8F0;
  --color-text-secondary: #94A3B8;
  --color-now: #00A8FF;
  --color-beyond: #BE2EDD;
  --color-cta: #F59E0B;
  --color-cta-hover: #D97706;
  
  /* Glassmorphism */
  --glass-bg: rgba(255, 255, 255, 0.05);
  --glass-border: rgba(255, 255, 255, 0.1);
  --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  --glass-blur: blur(10px);
  
  /* Typography */
  --font-heading: 'Exo 2', sans-serif;
  --font-body: 'Inter', sans-serif;
  
  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  
  /* Animation */
  --transition-fast: 150ms ease;
  --transition-base: 300ms ease;
  --transition-slow: 500ms ease;
}

/* Reset & Base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--color-text-primary);
  background-color: var(--color-space-navy);
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: var(--space-md);
}

h1 {
  font-size: clamp(2.5rem, 8vw, 5rem);
}

h2 {
  font-size: clamp(2rem, 5vw, 3.5rem);
}

h3 {
  font-size: clamp(1.5rem, 3vw, 2rem);
}

p {
  margin-bottom: var(--space-md);
  color: var(--color-text-secondary);
}

a {
  color: var(--color-now);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-cta);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

/* Utility Classes */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.glass {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  box-shadow: var(--glass-shadow);
}

/* Navigation */
.main-nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: var(--space-md) 0;
  transition: all var(--transition-base);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-text-primary);
}

.nav-links {
  display: flex;
  list-style: none;
  gap: var(--space-xl);
}

.nav-links a {
  color: var(--color-text-primary);
  font-weight: 500;
  position: relative;
  padding: var(--space-sm) 0;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-cta);
  transition: width var(--transition-base);
}

.nav-links a:hover::after {
  width: 100%;
}

/* Hero Section */
.hero {
  position: relative;
  width: 100%;
  height: 100vh;
  overflow: hidden;
}

.hero-video {
  position: absolute;
  top: 50%;
  left: 50%;
  min-width: 100%;
  min-height: 100%;
  width: auto;
  height: auto;
  transform: translateX(-50%) translateY(-50%);
  z-index: -1;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    to bottom,
    rgba(2, 8, 23, 0.3) 0%,
    rgba(2, 8, 23, 0.6) 50%,
    rgba(2, 8, 23, 0.8) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 1;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: var(--space-lg);
}

.hero-subtitle {
  font-size: clamp(1rem, 3vw, 1.5rem);
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xl);
  font-weight: 300;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: var(--space-md) var(--space-xl);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: 50px;
  transition: all var(--transition-base);
  cursor: pointer;
  border: none;
}

.btn-primary {
  background: var(--color-cta);
  color: var(--color-space-navy);
}

.btn-primary:hover {
  background: var(--color-cta-hover);
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(245, 158, 11, 0.3);
}

.btn-secondary {
  background: transparent;
  color: var(--color-text-primary);
  border: 2px solid var(--color-text-primary);
}

.btn-secondary:hover {
  background: var(--color-text-primary);
  color: var(--color-space-navy);
  transform: translateY(-2px);
}

/* Featured Section */
.featured-section {
  padding: var(--space-2xl) 0;
  position: relative;
}

.section-title {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.section-subtitle {
  text-align: center;
  font-size: 1.2rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-xl);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.featured-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-xl);
  margin-bottom: var(--space-2xl);
}

.featured-card {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  transition: transform var(--transition-base);
}

.featured-card:hover {
  transform: translateY(-5px);
}

.card-label {
  position: absolute;
  top: var(--space-md);
  left: var(--space-md);
  padding: var(--space-xs) var(--space-md);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  border-radius: 20px;
  z-index: 2;
}

.now-card .card-label {
  background: var(--color-now);
  color: white;
}

.beyond-card .card-label {
  background: var(--color-beyond);
  color: white;
}

.featured-card img {
  width: 100%;
  height: 250px;
  object-fit: cover;
}

.card-content {
  padding: var(--space-lg);
}

.card-content h3 {
  margin-bottom: var(--space-sm);
}

.card-link {
  display: inline-block;
  margin-top: var(--space-md);
  font-weight: 600;
  color: var(--color-cta);
}

.card-link:hover {
  text-decoration: underline;
}

/* Library Preview */
.library-preview {
  padding: var(--space-2xl) 0;
  background: linear-gradient(
    135deg,
    rgba(190, 46, 221, 0.1) 0%,
    rgba(0, 168, 255, 0.1) 100%
  );
}

.library-showcase {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}

.book-cover {
  text-align: center;
  padding: var(--space-lg);
  border-radius: 16px;
  transition: transform var(--transition-base);
}

.book-cover:hover {
  transform: scale(1.05);
}

.book-cover img {
  width: 100%;
  max-width: 200px;
  height: 300px;
  object-fit: cover;
  margin: 0 auto var(--space-md);
  border-radius: 8px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.book-cover h3 {
  font-size: 1.2rem;
}

/* Footer */
.main-footer {
  background: var(--color-near-black);
  padding: var(--space-2xl) 0 var(--space-lg);
  margin-top: var(--space-2xl);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}

.footer-section h4 {
  color: var(--color-text-primary);
  margin-bottom: var(--space-md);
}

.footer-section ul {
  list-style: none;
}

.footer-section li {
  margin-bottom: var(--space-sm);
}

.footer-section a {
  color: var(--color-text-secondary);
}

.footer-section a:hover {
  color: var(--color-text-primary);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--space-xl);
  border-top: 1px solid var(--glass-border);
  color: var(--color-text-secondary);
}

/* Responsive Design */
@media (max-width: 768px) {
  .nav-links {
    gap: var(--space-lg);
  }
  
  .hero-content {
    padding: var(--space-md);
  }
  
  .featured-grid {
    grid-template-columns: 1fr;
  }
  
  .library-showcase {
    grid-template-columns: 1fr;
  }
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in-up {
  animation: fadeInUp 0.8s ease-out;
}

/* Parallax Effect */
.parallax {
  position: relative;
  transform-style: preserve-3d;
}

.parallax::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  transform: translateZ(-1px) scale(2);
}

/* Inner Pages */
.page-header {
  padding: calc(var(--space-2xl) + 80px) 0 var(--space-2xl);
  background: linear-gradient(
    to bottom,
    rgba(0, 168, 255, 0.1) 0%,
    rgba(2, 8, 23, 0.9) 100%
  );
  text-align: center;
}

.page-subtitle {
  font-size: 1.5rem;
  color: var(--color-text-secondary);
  font-weight: 300;
}

.content-section {
  padding: var(--space-2xl) 0;
}

/* Destinations Page */
.destinations-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--space-xl);
}

.destination-card {
  border-radius: 16px;
  overflow: hidden;
  transition: transform var(--transition-base);
}

.destination-card:hover {
  transform: translateY(-5px);
}

.destination-card img {
  width: 100%;
  height: 300px;
  object-fit: cover;
}

.destination-content {
  padding: var(--space-xl);
}

.destination-stats {
  display: flex;
  gap: var(--space-lg);
  margin-bottom: var(--space-md);
}

.stat {
  font-size: 0.875rem;
  color: var(--color-now);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* Technology Page */
.tech-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--space-xl);
}

.tech-card {
  border-radius: 16px;
  overflow: hidden;
  transition: transform var(--transition-base);
}

.tech-card:hover {
  transform: translateY(-5px) scale(1.02);
}

.tech-specs {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-md);
  margin: var(--space-lg) 0;
  padding: var(--space-lg);
  background: rgba(0, 168, 255, 0.1);
  border-radius: 8px;
}

.spec-item {
  text-align: center;
}

.spec-label {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.spec-value {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--color-now);
}

/* Article Pages */
.article-header {
  padding: calc(var(--space-2xl) + 80px) 0 var(--space-xl);
  background: linear-gradient(
    to bottom,
    rgba(0, 168, 255, 0.2) 0%,
    rgba(2, 8, 23, 0.9) 100%
  );
}

.article-meta {
  display: flex;
  gap: var(--space-lg);
  justify-content: center;
  margin-top: var(--space-md);
  color: var(--color-text-secondary);
  font-size: 0.875rem;
}

.article-content {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--space-2xl) var(--space-lg);
}

.article-content h2 {
  margin-top: var(--space-2xl);
  margin-bottom: var(--space-lg);
}

.article-content p {
  font-size: 1.125rem;
  line-height: 1.8;
  margin-bottom: var(--space-lg);
}

.article-content img {
  width: 100%;
  height: auto;
  margin: var(--space-xl) 0;
  border-radius: 8px;
}

.article-content blockquote {
  margin: var(--space-xl) 0;
  padding: var(--space-lg);
  border-left: 4px solid var(--color-now);
  background: var(--glass-bg);
  font-style: italic;
  font-size: 1.2rem;
}

/* Active Nav State */
.nav-links a.active {
  color: var(--color-cta);
}

/* Article Lead Paragraph */
.lead {
  font-size: 1.25rem;
  font-weight: 300;
  color: var(--color-text-primary);
  margin-bottom: var(--space-xl);
}

/* Article Lists */
.article-content ul {
  margin: var(--space-lg) 0;
  padding-left: var(--space-xl);
}

.article-content li {
  margin-bottom: var(--space-sm);
  color: var(--color-text-secondary);
}

.article-content li strong {
  color: var(--color-text-primary);
}

/* Related Articles */
.related-articles {
  background: var(--glass-bg);
  padding: var(--space-2xl) 0;
  margin-top: var(--space-2xl);
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-lg);
  margin-top: var(--space-lg);
}

.related-card {
  display: block;
  padding: var(--space-lg);
  border-radius: 12px;
  transition: transform var(--transition-base);
}

.related-card:hover {
  transform: translateY(-3px);
  border-color: var(--color-now);
}

.related-card h4 {
  color: var(--color-text-primary);
  margin-bottom: var(--space-sm);
}

.related-card p {
  font-size: 0.875rem;
  margin-bottom: 0;
}

/* Beyond Section Styles */
.beyond-header {
  background: linear-gradient(
    to bottom,
    rgba(190, 46, 221, 0.2) 0%,
    rgba(2, 8, 23, 0.9) 100%
  );
}

/* Concepts Grid */
.concepts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--space-xl);
}

.concept-card {
  border-radius: 16px;
  overflow: hidden;
  transition: all var(--transition-base);
}

.concept-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 40px rgba(190, 46, 221, 0.2);
}

.concept-image {
  position: relative;
  height: 250px;
  overflow: hidden;
}

.concept-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--transition-slow);
}

.concept-card:hover .concept-image img {
  transform: scale(1.1);
}

.concept-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(
    to bottom,
    rgba(0, 0, 0, 0) 0%,
    rgba(0, 0, 0, 0.7) 100%
  );
  display: flex;
  align-items: flex-end;
  padding: var(--space-lg);
}

.concept-label {
  background: var(--color-beyond);
  color: white;
  padding: var(--space-xs) var(--space-md);
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.concept-content {
  padding: var(--space-xl);
}

.concept-content h2 {
  margin-bottom: var(--space-md);
  color: var(--color-text-primary);
}

.concept-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin: var(--space-lg) 0;
}

.concept-tags span {
  background: rgba(190, 46, 221, 0.1);
  color: var(--color-beyond);
  padding: var(--space-xs) var(--space-sm);
  border-radius: 16px;
  font-size: 0.875rem;
}

/* Gallery Styles */
.gallery-section {
  padding: var(--space-2xl) 0;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--space-md);
}

.gallery-item {
  position: relative;
  height: 300px;
  border-radius: 12px;
  overflow: hidden;
  cursor: pointer;
  transition: transform var(--transition-base);
}

.gallery-item:hover {
  transform: scale(1.02);
}

.gallery-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.gallery-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: var(--space-lg);
  background: linear-gradient(
    to top,
    rgba(0, 0, 0, 0.8) 0%,
    rgba(0, 0, 0, 0) 100%
  );
  color: white;
  transform: translateY(100%);
  transition: transform var(--transition-base);
}

.gallery-item:hover .gallery-caption {
  transform: translateY(0);
}

/* Library Styles */
.library-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: var(--space-xl);
  padding: var(--space-2xl) 0;
}

.library-book {
  text-align: center;
  transition: transform var(--transition-base);
}

.library-book:hover {
  transform: translateY(-10px);
}

.library-book img {
  width: 100%;
  max-width: 180px;
  height: 270px;
  object-fit: cover;
  margin: 0 auto;
  border-radius: 8px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  transition: box-shadow var(--transition-base);
}

.library-book:hover img {
  box-shadow: 0 20px 40px rgba(190, 46, 221, 0.3);
}

.library-book h3 {
  margin-top: var(--space-md);
  font-size: 1.1rem;
}

.library-book p {
  font-size: 0.875rem;
  margin-top: var(--space-sm);
}

/* About Page */
.approach-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-lg);
  margin: var(--space-xl) 0;
}

.approach-item {
  padding: var(--space-lg);
  border-radius: 12px;
}

.approach-item h3 {
  color: var(--color-now);
  margin-bottom: var(--space-md);
}

.cta-section {
  text-align: center;
  margin-top: var(--space-2xl);
  padding: var(--space-2xl);
  background: var(--glass-bg);
  border-radius: 16px;
}

/* Contact Page */
.contact-content {
  max-width: 1000px;
  margin: 0 auto;
}

.contact-intro {
  text-align: center;
  margin-bottom: var(--space-2xl);
}

.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--space-lg);
  margin-bottom: var(--space-2xl);
}

.contact-card {
  padding: var(--space-xl);
  border-radius: 12px;
  text-align: center;
}

.contact-card h2 {
  font-size: 1.5rem;
  margin-bottom: var(--space-md);
  color: var(--color-text-primary);
}

.contact-link {
  display: inline-block;
  margin-top: var(--space-md);
  font-weight: 600;
  color: var(--color-now);
  font-size: 1.1rem;
}

.contact-link:hover {
  color: var(--color-cta);
}

/* Social Section */
.social-section {
  text-align: center;
  margin: var(--space-2xl) 0;
}

.social-links {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
  margin-top: var(--space-lg);
  flex-wrap: wrap;
}

.social-link {
  padding: var(--space-md) var(--space-lg);
  border-radius: 50px;
  font-weight: 600;
  transition: all var(--transition-base);
  display: inline-block;
}

.social-link:hover {
  transform: translateY(-2px);
  background: var(--color-now);
  color: white;
}

/* Newsletter Section */
.newsletter-section {
  max-width: 600px;
  margin: var(--space-2xl) auto;
  padding: var(--space-xl);
  border-radius: 16px;
  text-align: center;
}

.newsletter-form {
  display: flex;
  gap: var(--space-md);
  margin-top: var(--space-lg);
  max-width: 400px;
  margin-left: auto;
  margin-right: auto;
}

.newsletter-form input {
  flex: 1;
  padding: var(--space-md);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 50px;
  color: var(--color-text-primary);
  font-size: 1rem;
}

.newsletter-form input::placeholder {
  color: var(--color-text-secondary);
}

.newsletter-form input:focus {
  outline: none;
  border-color: var(--color-now);
}

@media (max-width: 768px) {
  .newsletter-form {
    flex-direction: column;
  }
}

/* Missions Page */
.mission-filters {
  display: flex;
  justify-content: center;
  gap: var(--space-md);
  padding: var(--space-lg);
  border-radius: 12px;
  margin-bottom: var(--space-2xl);
  flex-wrap: wrap;
}

.filter-btn {
  padding: var(--space-sm) var(--space-lg);
  background: transparent;
  border: 2px solid var(--glass-border);
  color: var(--color-text-secondary);
  border-radius: 50px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-base);
}

.filter-btn:hover {
  border-color: var(--color-now);
  color: var(--color-now);
}

.filter-btn.active {
  background: var(--color-now);
  color: white;
  border-color: var(--color-now);
}

.missions-container {
  max-width: 1000px;
  margin: 0 auto;
}

.mission-category {
  font-size: 2rem;
  margin: var(--space-2xl) 0 var(--space-xl);
  text-align: center;
}

.mission-card {
  margin-bottom: var(--space-xl);
  padding: var(--space-xl);
  border-radius: 16px;
  transition: all var(--transition-base);
}

.mission-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 20px 40px rgba(0, 168, 255, 0.2);
}

.mission-card.upcoming {
  border: 2px dashed var(--glass-border);
}

.mission-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-lg);
}

.mission-header h3 {
  color: var(--color-text-primary);
  margin-bottom: 0;
}

.mission-agency {
  background: var(--color-now);
  color: white;
  padding: var(--space-xs) var(--space-md);
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 600;
}

.mission-details {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.mission-info {
  display: flex;
  flex-direction: column;
}

.info-label {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.info-value {
  font-weight: 600;
  color: var(--color-text-primary);
}

.status-active {
  color: #10B981;
}

.status-upcoming {
  color: var(--color-cta);
}

.mission-description {
  margin-bottom: var(--space-lg);
  line-height: 1.8;
}

.mission-achievements {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.achievement {
  background: rgba(0, 168, 255, 0.1);
  color: var(--color-now);
  padding: var(--space-xs) var(--space-md);
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 500;
}

.mission-stats {
  margin-top: var(--space-2xl);
  padding: var(--space-2xl);
  border-radius: 16px;
  text-align: center;
}

.mission-stats h3 {
  margin-bottom: var(--space-xl);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: var(--space-xl);
}

.stat-item {
  text-align: center;
}

.stat-number {
  font-size: 3rem;
  font-weight: 700;
  color: var(--color-now);
  line-height: 1;
}

.stat-label {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  margin-top: var(--space-sm);
}

/* Library Index Page */
.library-header {
  text-align: center;
  padding: calc(var(--space-2xl) + 80px) 0 var(--space-2xl);
}

.library-intro {
  padding: var(--space-2xl) 0;
}

.intro-content {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--space-2xl);
  border-radius: 16px;
  text-align: center;
}

.library-features {
  display: flex;
  justify-content: center;
  gap: var(--space-xl);
  margin-top: var(--space-xl);
  flex-wrap: wrap;
}

.feature {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-weight: 600;
  color: var(--color-beyond);
}

.feature-icon {
  font-size: 1.5rem;
}

.featured-books {
  padding: var(--space-2xl) 0;
}

.books-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--space-xl);
  margin-top: var(--space-xl);
}

.book-card {
  display: flex;
  flex-direction: column;
  border-radius: 16px;
  overflow: hidden;
  transition: transform var(--transition-base);
}

.book-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 40px rgba(190, 46, 221, 0.2);
}

.book-cover-container {
  position: relative;
  height: 400px;
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}

.book-cover-img {
  width: 200px;
  height: 300px;
  object-fit: cover;
  border-radius: 8px;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.book-status {
  position: absolute;
  top: var(--space-md);
  right: var(--space-md);
  background: var(--color-beyond);
  color: white;
  padding: var(--space-xs) var(--space-md);
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 600;
}

.book-info {
  padding: var(--space-xl);
  flex: 1;
  display: flex;
  flex-direction: column;
}

.book-info h3 {
  color: var(--color-text-primary);
  margin-bottom: var(--space-xs);
}

.book-author {
  color: var(--color-beyond);
  font-style: italic;
  margin-bottom: var(--space-md);
}

.book-description {
  flex: 1;
  margin-bottom: var(--space-lg);
  line-height: 1.8;
}

.book-meta {
  display: flex;
  gap: var(--space-sm);
  margin-bottom: var(--space-lg);
  flex-wrap: wrap;
}

.genre-tag {
  background: rgba(190, 46, 221, 0.1);
  color: var(--color-beyond);
  padding: var(--space-xs) var(--space-sm);
  border-radius: 16px;
  font-size: 0.875rem;
}

.reading-room {
  background: var(--glass-bg);
  padding: var(--space-2xl) 0;
}

.room-content {
  max-width: 1000px;
  margin: 0 auto;
  padding: var(--space-2xl);
  border-radius: 16px;
  text-align: center;
}

.room-content h2 {
  margin-bottom: var(--space-lg);
}

.room-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--space-xl);
  margin-top: var(--space-xl);
  text-align: left;
}

.room-feature h4 {
  color: var(--color-beyond);
  margin-bottom: var(--space-sm);
}

.authors-note {
  padding: var(--space-2xl) 0;
}

.note-content {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--space-2xl);
  border-radius: 16px;
  text-align: center;
}

.note-content h2 {
  margin-bottom: var(--space-xl);
}

.note-content p {
  margin-bottom: var(--space-lg);
  font-size: 1.125rem;
  line-height: 1.8;
}

.signature {
  font-style: italic;
  color: var(--color-beyond);
  font-weight: 600;
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .books-grid {
    grid-template-columns: 1fr;
  }
  
  .book-cover-container {
    height: 300px;
  }
  
  .library-features {
    flex-direction: column;
    align-items: center;
  }
}

/* Book Pages */
.book-header {
  text-align: center;
  padding: calc(var(--space-2xl) + 80px) 0 var(--space-2xl);
}

.book-tagline {
  font-size: 1.5rem;
  color: var(--color-text-secondary);
  font-style: italic;
  font-weight: 300;
}

.book-intro {
  padding: var(--space-2xl) 0;
}

.intro-box {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--space-2xl);
  border-radius: 16px;
}

.intro-box h2 {
  color: var(--color-beyond);
  margin-bottom: var(--space-lg);
}

.story-stats {
  display: flex;
  justify-content: center;
  gap: var(--space-2xl);
  margin-top: var(--space-xl);
}

.story-stats .stat {
  text-align: center;
}

.story-stats strong {
  display: block;
  font-size: 2rem;
  color: var(--color-beyond);
}

.story-stats span {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

/* Table of Contents */
.table-of-contents {
  padding: var(--space-2xl) 0;
  max-width: 900px;
  margin: 0 auto;
}

.toc-section {
  margin-bottom: var(--space-2xl);
}

.toc-section h3 {
  text-align: center;
  color: var(--color-beyond);
  margin-bottom: var(--space-xl);
  font-size: 1.5rem;
}

.chapter-list {
  list-style: none;
  padding: 0;
}

.chapter-item {
  margin-bottom: var(--space-md);
}

.chapter-link {
  display: block;
  padding: var(--space-lg);
  border-radius: 12px;
  transition: all var(--transition-base);
  text-decoration: none;
}

.chapter-link:hover {
  transform: translateX(10px);
  border-color: var(--color-beyond);
}

.chapter-number {
  display: block;
  font-size: 0.875rem;
  color: var(--color-beyond);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: var(--space-xs);
}

.chapter-title {
  display: block;
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--space-xs);
}

.chapter-description {
  display: block;
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  font-style: italic;
}

.start-reading {
  text-align: center;
  margin-top: var(--space-2xl);
}

/* Chapter Pages */
.chapter-header {
  background: linear-gradient(
    to bottom,
    rgba(190, 46, 221, 0.2) 0%,
    rgba(2, 8, 23, 0.9) 100%
  );
  padding: calc(var(--space-2xl) + 80px) 0 var(--space-xl);
  text-align: center;
}

.chapter-nav {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-lg) 0;
}

.nav-button {
  display: inline-flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 50px;
  color: var(--color-text-primary);
  text-decoration: none;
  transition: all var(--transition-base);
}

.nav-button:hover {
  border-color: var(--color-beyond);
  transform: translateY(-2px);
}

.nav-button.disabled {
  opacity: 0.3;
  pointer-events: none;
}

.nav-toc {
  color: var(--color-beyond);
}

.chapter-content {
  max-width: 700px;
  margin: 0 auto;
  padding: var(--space-2xl) var(--space-lg);
  font-size: 1.125rem;
  line-height: 1.8;
}

.chapter-content p {
  margin-bottom: var(--space-lg);
  text-align: justify;
}

.chapter-content .scene-break {
  text-align: center;
  margin: var(--space-2xl) 0;
  font-size: 1.5rem;
  color: var(--color-beyond);
}

.chapter-content .emphasis {
  font-style: italic;
  color: var(--color-text-primary);
}

.chapter-content .dialogue {
  margin: var(--space-lg) 0;
}

.chapter-footer {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--space-2xl) var(--space-lg);
  border-top: 1px solid var(--glass-border);
}